i think the combinator based approach to building standard notions of structure is like. *the coolest thing*
it's like, what if we took parser combinators but applied that to making mathematical objects
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I think this what is kind of pushing for? twitter.com/jjcarett2/stat For example: arxiv.org/abs/1812.08079
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Replying to @brendanzab and @PTOOP
type classes (and module types and traits) are all variants of interfaces along with extra rules for conformance and/or resolution. The first step is to revisit interfaces and how to build & compose them. In fact, interfaces should be first class, but they aren't (yet).
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(sorry if you are already aware of this stuff, heh)
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This is indeed an avenue that I've been exploring. I guess I'm "pushing for" it because the difference in what you have to say, as a human, is so much briefer for the same final content, it seems weird to want to say the long thing. But then Java, so meh.
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I think it's cool from a modularity and code evolution standpoint (more thinking of programming than theorem proving here). Would be cool if programming languages let us split up and combine modules after the fact, and let us make shims in a more flexible way…
Note: I totally disagree about splitting up after the fact. The meta-theory of that is seriously weird, in not-good ways.
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Oh right! Is this part of why you prefer the ‘tiny theories’ approach?
I guess I'm thinking about how people find ways to split existing structures into smaller ones, but I haven't really though precisely about the issues around it like you have.
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